Photoinduced electron transfer in a supramolecular triad produced by porphyrin anion-induced electron transfer from tetrathiafulvalene calix[4]pyrrole to Li+@C60

Christina M. Davis; Kei Ohkubo; Aaron D. Lammer; Dong Sub Kim; Yuki Kawashima; Jonathan L. Sessler; Shunichi Fukuzumi

doi:10.1039/c5cc03061g

Photoinduced electron transfer in a supramolecular triad produced by porphyrin anion-induced electron transfer from tetrathiafulvalene calix[4]pyrrole to Li⁺@C₆₀

Christina M. Davis, Kei Ohkubo, Aaron D. Lammer, Dong Sub Kim, Yuki Kawashima, Jonathan L. Sessler, Shunichi Fukuzumi

Department of Chemistry & Nanoscience

Research output: Contribution to journal › Article › peer-review

23 Scopus citations

Abstract

Binding of a porphyrin carboxylate anion (1) to tetrathiafulvalene calix[4]pyrrole (TTF-C4P) results in electron transfer from TTF-C4P to Li⁺@C₆₀ to produce the charge-separated state (1/TTF-C4P⁺/Li⁺@C₆₀^-) in benzonitrile. Upon photoexcitation of 1, photoinduced electron transfer from the triplet excited state of 1 to TTF-C4P⁺ occurs to produce the higher energy charge-separated state (1⁺/TTF-C4P/Li⁺@C₆₀^-), which decays to the ground state with a lifetime of 4.8 μs.

Original language	English
Pages (from-to)	9789-9792
Number of pages	4
Journal	Chemical Communications
Volume	51
Issue number	48
DOIs	https://doi.org/10.1039/c5cc03061g
State	Published - 18 Jun 2015

Bibliographical note

Publisher Copyright:
© The Royal Society of Chemistry 2015.

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10.1039/c5cc03061g

Cite this

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title = "Photoinduced electron transfer in a supramolecular triad produced by porphyrin anion-induced electron transfer from tetrathiafulvalene calix[4]pyrrole to Li+@C60",

abstract = "Binding of a porphyrin carboxylate anion (1) to tetrathiafulvalene calix[4]pyrrole (TTF-C4P) results in electron transfer from TTF-C4P to Li+@C60 to produce the charge-separated state (1/TTF-C4P+/Li+@C60-) in benzonitrile. Upon photoexcitation of 1, photoinduced electron transfer from the triplet excited state of 1 to TTF-C4P+ occurs to produce the higher energy charge-separated state (1+/TTF-C4P/Li+@C60-), which decays to the ground state with a lifetime of 4.8 μs.",

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T1 - Photoinduced electron transfer in a supramolecular triad produced by porphyrin anion-induced electron transfer from tetrathiafulvalene calix[4]pyrrole to Li+@C60

AU - Davis, Christina M.

AU - Ohkubo, Kei

AU - Lammer, Aaron D.

AU - Kim, Dong Sub

AU - Kawashima, Yuki

AU - Sessler, Jonathan L.

AU - Fukuzumi, Shunichi

PY - 2015/6/18

Y1 - 2015/6/18

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AB - Binding of a porphyrin carboxylate anion (1) to tetrathiafulvalene calix[4]pyrrole (TTF-C4P) results in electron transfer from TTF-C4P to Li+@C60 to produce the charge-separated state (1/TTF-C4P+/Li+@C60-) in benzonitrile. Upon photoexcitation of 1, photoinduced electron transfer from the triplet excited state of 1 to TTF-C4P+ occurs to produce the higher energy charge-separated state (1+/TTF-C4P/Li+@C60-), which decays to the ground state with a lifetime of 4.8 μs.

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